You know how it is. You're a popular governor who enters the GOP presidential race as the frontrunner and everyone is excited. And then you start opening your mouth in front of a national audience and suddenly no one likes you anymore. Are you paying attention, Chris Christie?
But Rick Perry isn't necessarily out, he just needs to do a few things to remind people of why they were initially excited about him. And David Letterman has all of those ideas on one handy top ten list.